pygame + lambda example

magic_cursor.py

#!/usr/bin/python3

#Desarrolle un programa en Python3 utilizando Pygame y expresiones lambda
#que genere figuras de distintos colores según la posicion del puntero y el tiempo.
#Las figuras no deben exeder los 100 píxeles de diámetro.
#Debe dar la sesación que el cursor pinta en la pantalla.

import pygame
import datetime

pygame.init()

screen = pygame.display.set_mode((800,600))
pygame.display.set_caption('Hello Pygame!')

clock = pygame.time.Clock()

crashed = False

value_filter = lambda value : value if (value < 255 and value > 0) else value_adjuster(value)

def value_adjuster(value):
    while value > 255:
        value = value / 2

    while value < 0:
        value = value + 254

    return value

def color_cursor(x,y):
    seconds = int(datetime.datetime.now().strftime('%M:%S.%f').split(":")[-1][0:2])

    seconds_filter = lambda value :  seconds * value

    size = 25
    size_x = x + size
    size_y = y + size
    red = value_filter(x)
    green = value_filter(y)
    blue = value_filter(seconds_filter(x - y))
    width = 50

    print("X: {}  Y: {} color_filter(X-Y): {}".format(x,y,seconds_filter(x - y)))
    print(red)
    print(green)
    print(blue)

    #pygame.draw.line(screen, (green,red,large_value_filter(seconds_filter(t))), t, (x-10,y-10))
    pygame.draw.polygon(screen, (red,green,blue), [(x,y),(size_x,size_y)], width)


while not crashed:

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            crashed = True

        #print(event)
        cursor_xy = pygame.mouse.get_pos()
        color_cursor(cursor_xy[0],cursor_xy[1])

    pygame.display.update()
    clock.tick(60)

pygame.quit()
quit()